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                                <h2 id="&#x521B;&#x5EFA;-rust-&#x9879;&#x76EE;">&#x521B;&#x5EFA; Rust &#x9879;&#x76EE;</h2>
<h3 id="&#x521B;&#x5EFA;&#x9879;&#x76EE;">&#x521B;&#x5EFA;&#x9879;&#x76EE;</h3>
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<p></p><p class="code-label">rust-toolchain</p><p></p>
<pre><code>nightly-2020-06-27
</code></pre><p>&#x4E4B;&#x540E;&#x5728;&#x76EE;&#x5F55;&#x5185;&#x90E8;&#x4F7F;&#x7528; <code>cargo new</code> &#x547D;&#x4EE4;&#x5728;&#x6211;&#x4EEC;&#x7684;&#x9879;&#x76EE;&#x76EE;&#x5F55;&#x5185;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x65B0;&#x7684; Rust &#x9879;&#x76EE; os&#xFF0C;&#x547D;&#x4EE4;&#x5982;&#x4E0B;&#xFF1A;</p>
<p></p><p class="code-label">&#x8FD0;&#x884C;&#x547D;&#x4EE4;</p><p></p>
<pre><code class="lang-bash">cargo new os
</code></pre>
<p>&#x8FD9;&#x91CC;&#x6211;&#x4EEC;&#x628A;&#x9879;&#x76EE;&#x547D;&#x540D;&#x4E3A; os&#x3002;&#x540C;&#x65F6;&#xFF0C;cargo &#x9ED8;&#x8BA4;&#x4E3A;&#x6211;&#x4EEC;&#x6DFB;&#x52A0;&#x4E86; <code>--bin</code> &#x9009;&#x9879;&#xFF0C;&#x8BF4;&#x660E;&#x6211;&#x4EEC;&#x5C06;&#x8981;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x53EF;&#x6267;&#x884C;&#x6587;&#x4EF6;&#x800C;&#x975E;&#x4E00;&#x4E2A;&#x5E93;&#x3002;</p>
<h3 id="&#x76EE;&#x5F55;&#x7ED3;&#x6784;">&#x76EE;&#x5F55;&#x7ED3;&#x6784;</h3>
<p>&#x521B;&#x5EFA;&#x5B8C;&#x6210;&#x540E;&#xFF0C;&#x6574;&#x4E2A;&#x9879;&#x76EE;&#x7684;&#x76EE;&#x5F55;&#x7ED3;&#x6784;&#x5982;&#x4E0B;&#xFF1A;</p>
<p></p><p class="code-label">&#x76EE;&#x5F55;&#x7ED3;&#x6784;</p><p></p>
<pre><code class="lang-bash">Project                 &#x9879;&#x76EE;&#x76EE;&#x5F55;
&#x251C;&#x2500;&#x2500; rust-toolchain      Rust &#x5DE5;&#x5177;&#x94FE;&#x7248;&#x672C;
&#x2514;&#x2500;&#x2500; os
    &#x251C;&#x2500;&#x2500; Cargo.toml      &#x9879;&#x76EE;&#x914D;&#x7F6E;&#x6587;&#x4EF6;
    &#x2514;&#x2500;&#x2500; src             &#x6E90;&#x4EE3;&#x7801;&#x8DEF;&#x5F84;
        &#x2514;&#x2500;&#x2500; main.rs     &#x6E90;&#x7A0B;&#x5E8F;
</code></pre>
<h3 id="&#x6784;&#x5EFA;&#x548C;&#x8FD0;&#x884C;">&#x6784;&#x5EFA;&#x548C;&#x8FD0;&#x884C;</h3>
<p>&#x63A5;&#x4E0B;&#x6765;&#x6211;&#x4EEC;&#x8FDB;&#x5165; os &#x6587;&#x4EF6;&#x5939;&#xFF0C;&#x5E76;&#x5C1D;&#x8BD5;&#x6784;&#x5EFA;&#x3001;&#x8FD0;&#x884C;&#x9879;&#x76EE;&#xFF1A;</p>
<p></p><p class="code-label">&#x8FD0;&#x884C;&#x8F93;&#x51FA;</p><p></p>
<pre><code class="lang-bash">$ cargo run
   ...
Hello, world!
</code></pre>
<p>&#x6253;&#x5F00; <code>os/src/main.rs</code> &#x53D1;&#x73B0;&#x91CC;&#x9762;&#x786E;&#x5B9E;&#x53EA;&#x662F;&#x8F93;&#x51FA;&#x4E86;&#x4E00;&#x884C; <code>Hello, world!</code>&#x3002;&#x8FD9;&#x4E2A;&#x5E94;&#x7528;&#x53EF;&#x4EE5;&#x6B63;&#x5E38;&#x8FD0;&#x884C;&#xFF0C;&#x4F46;&#x662F;&#x5373;&#x4F7F;&#x53EA;&#x662F;&#x8FD9;&#x4E48;&#x4E00;&#x4E2A;&#x7B80;&#x5355;&#x7684;&#x529F;&#x80FD;&#xFF0C;&#x4E5F;&#x79BB;&#x4E0D;&#x5F00;&#x6240;&#x5728;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x7684;&#x5E2E;&#x52A9;&#x3002;&#x6211;&#x4EEC;&#x65E2;&#x7136;&#x8981;&#x5199;&#x4E00;&#x4E2A;&#x65B0;&#x7684;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#xFF0C;&#x5C31;&#x4E0D;&#x80FD;&#x4F9D;&#x8D56;&#x4E8E;&#x4EFB;&#x4F55;&#x5DF2;&#x6709;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#xFF0C;&#x63A5;&#x4E0B;&#x6765;&#x6211;&#x4EEC;&#x5C1D;&#x8BD5;&#x79FB;&#x9664;&#x8BE5;&#x9879;&#x76EE;&#x5BF9;&#x4E8E;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x7684;&#x4F9D;&#x8D56;&#x3002;
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